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Finding the Fourth Proportional to 590,530.80, 883,463.40 and 512,511.60

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Solution

The fourth proportional to 590,530.80, 883,463.40 and 512,511.60 is: 766,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,530.80 : 883,463.40 = 512,511.60 : x
  2. Step 2: Convert to fraction form
    590,530.80/883,463.40 = 512,511.60/x
  3. Step 3: Cross multiply
    590,530.80x = 883,463.40 × 512,511.60
  4. Step 4: Simplify right side
    590,530.80x = 452,785,240,675.44
  5. Step 5: Solve for x
    x = 452,785,240,675.44/590,530.80
  6. Step 6: Final answer
    x = 766,742.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.